Home / 12,964,090.14-17,889,962.10-7,162,747.02

Finding the Fourth Proportional to 12,964,090.14, 17,889,962.10 and 7,162,747.02

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Solution

The fourth proportional to 12,964,090.14, 17,889,962.10 and 7,162,747.02 is: 9,884,324.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,964,090.14 : 17,889,962.10 = 7,162,747.02 : x
  2. Step 2: Convert to fraction form
    12,964,090.14/17,889,962.10 = 7,162,747.02/x
  3. Step 3: Cross multiply
    12,964,090.14x = 17,889,962.10 × 7,162,747.02
  4. Step 4: Simplify right side
    12,964,090.14x = 128,141,272,719,687.94
  5. Step 5: Solve for x
    x = 128,141,272,719,687.94/12,964,090.14
  6. Step 6: Final answer
    x = 9,884,324.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.